Power-propelled agricultural implement.



PATENTED IE'BB.V 24, V1903.l

D. LUBIN. POWER PROPELLED AGRICULTURAL IMPLBMENT.

APPLICATION FILED JUNE 26, 1902.

3 SHEETS-SHEET?,

NO MODEL.

. No. 721,580. PATBNTED PEB-.24, 1903. D. LUBIN.

POWER PROPBLLED AGRIGULTURAL IMPLEMENT.

APPLICATION FILED JUNE Z5, 1902.

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UNITEDr STATES.'

Y`PATIENT rr-Ica.

'DAVvI'DLuBIn or Nnw vonk, N. Y.

-POWEFi-PROPELLEKD` AG RICU LTU RAL*v IMPLEM ENT.

SPECIFICATION forming part of `Letters Patent No. 721,580, dated February 24, 1903.

. Application filed .Tune 25,1902. Serial No. 113,115. (No model.) I.

T0 all whom t may concern/ y Be it known that I, DAVID LUBIN, a citizen of the United States, and a resident of the city of New York, borough of Manhattan, in the county and State of New York, have invented a new and Improved Power-Propelled Agricultural Implement, of which the following is a full, clear, and exact description.

This invention relates to improvements in agricultural implements operated by a motorcarried thereon; and the object is ,to provide a device of this character sofv arranged that while the motor is in continuous operation it will serve alternately to propelthe machine and to operate the digging-tool, thus making it possible to employ a motor of much less power than would be required 'to'propel the machine and operate the digger at the-same time. f

, I will describe a power-propelled'Y agricultural implement embodying my invention and then point out the novel features in the appended claims. n

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the figures.

Figure l is a side elevation of a power-pro` Wheels 2 and the rear wheels 3." As a means removably 'attached to a cylinder 10,mounted on a shaft V.11. This-cylinder 10 has a gradually-increasing diameter or spiral peripheral surface. The object of this construction is to permit the employment of the several teeth of the same length by providing for variations in projection from the axis of the cylinder, so that the successive series of teeth will dig into attached to a crank-shaft 23.

the ground-that is, when the cylinder is ro tated the rst series of teeth, that have the least projection from the axis,will dig a short distance into the ground and ythen Vthe next series of teeth, which have a slightly-greater projection, will dig farther into the ground, and this will continue until the ground is dug to a sufficient depth by the last series of teeth `which have the greatest projection from the aXis. It is obviousthat instead of this construction teeth of varying lengths might be vextended directly from the shaft; but such construction would involve a greater expense in the construction of the machine or in making repairs thereto.

Mounted on the ends of the shaft 11 are pinions l2, designedato be engaged by the vteeth ofgmutilated .gears .13, landthe teeth of these gears 13 are also designed to engage. `with'pinions 1 4, on the -shaftof which areA sprocket-pinions 15, and from these sprocketpinions chains. 16 extend aroundsprocket- Wheels 17, attached to thehnbs of therear wheels 3; On the shaft of theymutilated gears are worm-Wheels 18, engaged by. Worms 19 on s`hafts20, which extend rearward at an Vupward angle and have on their upper ends bevel-gears 2l, meshing with bevel-gears 22, The cranks of the crank-shaft have link connections24 with thepiston-rods of the engines 25, to which steam is supplied from a boilerl26, vmounted V on the carriage throughthe pipe 27 and the -branch pipes 28. ;27 a shifting-rod 30 extends From a valve 29 in the pipe forward to the operators seat. l

While I have shown asteam-motor in connection with the machine, it is obvious that the invention isfnot confined thereto, as a motor having another motive agent may be employed.

` In operation the mutilated gears are kept in constant rotation bythe motor. When the teeth of the mutilated gears engage with the pinions 14,*the carriage Will be 'moved forward a short distance, Athe digging-tool remaining stationary as to rotary movement. teeth of the mutilated gears leaving the pinions 14 they will engage with the pinions l2 and impart rotary motion to the digging-tool, so that the several series of teeth will be forced through the ground in the manner Upon theI above described. After a complete rotation of the digging-tool the teeth of the mutilated gears will engage with the pinions 14 and move the machine forward for the next operation of the digging-tool.

To elevate the digging-tool when moving from field to field or when it is not desired to operate the machine, the said digging-tool has its bearings in hangers 3l,attached to the arms 32, extended from a rock-shaft 33, on which is an operating-lever 34, which carries a dog 35 for engaging with a segment-rack 36.

While the digging-tool is in operation in the ground, it is necessary that the carriage should be held stationary, and if the weight of the carriage is not suiiicient for this purpose I may employ a suitable brake. I have here shown braking-shoes 37 for engaging with the rear wheels, these braking-shoes being supported on swinging rods 3S, designed to be engaged by spring-yielding tappets 39, mounted on the sprocket-pinions 15. In the operation when the machine comes to a standstill the sprocket-wheels 15 will be in such position asy to engage the tappets with the rods 3S, pressing the shoes 37 into engagement with the wheels. Ot' course after the digging operation and when the parts are in position to move the carriage forward the tappets by yielding will move out of engagement with the rods 38.

In Fig. 3 I have shown a machine designed for operating for a greater width in the ground than is possible with the machine first described-that is, I provide a plurality of digging-tools arranged side by side and operating independently one of the other and in succession, so that a motor of comparatively low horse-power may eifectually operate the machine. The first cylinder 40 is mounted on a shaft 41, provided with a pinion 42. A cylinder 43 is mounted on a sleeve 44, provided with a pinion 45, and a cylinder 46 is mounted on a sleeve 47, having a pinion 48. The sleeve 44 of course surrounds the shaft 41, while the sleeve 47 surrounds the sleeve 44. A driving-wheel 49 is designed to operate the several digging-tools successively and also to move the carriage forward. This drivingwheel 49 is operated by a Worm-gear, as in the example first described, and it has staggered sets of teeth 50, 51, and 52, each set of teeth extending for one-quarter the circumference of the wheel. Arranged at one side of the teeth 5l is another set of teeth 53 for engaging with the pinion 54 for moving the carriage forward through the sprocket mechanim, as first described. In operation when the carriage is at a standstill the teeth 50 by engaging with the pinion 42 will rotate the first digging device 40. Then the teeth 51 will come in engagement with the pinion 45, operating the digging-1300143, and then the teeth 52 by engaging with the pinion 48 will operate the diggin g-tool 46. The teeth 53 will now come in engagement with the gear 54 and cause the carriage to move forward. There will be no operation of the digging-tools at this time, because there is a blank space on the driving-wheel opposite the teeth 51 and 52.

In cooperation with the teeth I may employ breaking-tines 55, supported on a bar 56, rearward of the digging-tool. These tines are designed to catch clods of earth carried up by the teeth and finely pulverize the same, and they are of resilient metal, so as to yield to permit the passage of a stone or stick should such obstruction be carried up by the teeth. While I have shown the tines as curved downward, they may in some casesbe turned upward.

By the operation of a machine of this character there is no troweling-like or rubbing action to smooth and pack the earth below the surface, which is the case with plows or similar implements drawn directly through and practically parallel with the earth-plane, and therefore the penetration of rain or moisture to a considerable depth is not prevented, and, further, a free circulation 0f air, gases, and moisture is permitted, resulting in that kind of tillage by machinery usually designated as intensive farming, which is at present done by hand labor.

Having thus described my invention, I claim as new and desire to secure by Letters Patentl 1. In an implement of the character described, a carriage, a motor, a digging-tool supported on the carriage, and gearing operated by the motor for alternately propelling the carriage and operating the digging-tool.

2. In an implement of the character described, a carriage, a motor mounted thereon, a digging-tool supported on the carriage, and a gearing operated by the motor for alternately propelling the carriage and imparting a rotary movement to the digging-tool.

3. An agricultural. implement, comprising a carriage, a rotary part mounted on the carriage, several series of digging-teeth mounted on said rotary part, the several series being successively projected a greater distance from the axis of the rotary part, and means for operating the rotary part.

4. An agricultural implement, comprising a carriage, a rotary part mounted on the carriage and having a gradually-increasing diameter, several series of teeth mounted on said rotary part, and means for imparting motion to said rotary part.

5. An agricultural implement, comprising a carriage, a rotary digging-tool mounted on the carriage, a pinion on the shaft of said tool, pinions having driving connection with the rear wheels of the carriage, a mutilated gear for alternately operating said pinions, a motor on the carriage, and a driving connection between said motor and the mutilated gear.

6. In an agricultural implement, a carriage, a rotary digger mounted on the carriage and comprising several series of teeth, the several series progressively projecting for greater dis- IOO IIO

tances from the axis of the digger, pinions mounted on the shaft of the digger, mutilated gear-Wheels adapted for engagement with said pinions, rear wheels on the shaft of the mutilated gear-wheels, a motor, Worms 4 an operating digging-tool thereon, a motor for alternately moving the carriageand operating thedigging-tool, and means for raising and loweringthe digging-tool.

9. In an implement of the character .described, a carriage, a plurality of rotary digging-tools mounted on the carriage, a motor on the carriage, and means operated by the motor lfor successively rotating the diggingtools and moving the carriage forward.

In testimony whereof I have signed my name to this specification in the presence of v two subscribing Witnesses. DAVID LUBIN.

Witnesses:

JNO. M. RITTER, C. R. FERGUSON. 

